Parts of a Map

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Parts of a Map
Title
Legend
Scale
Direction
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Map Scale

• Expressed as a ratio of unit on map to actual
  number of units on Earth.
• 1100,000 inches
• 1 inch on map is the equivalent of
• 100,000 inches in the real world
• The larger the second number, the smaller the map
  scale

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THUS

• A large-scale map displays a relatively small
  section of the Earths surface
• A small-scale map displays a relatively large
  section of the Earths surface

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Remote Sensing

• Measuring and interpreting the Earths surface
  from far away
• Balloon
• Aircraft
• Satellite

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Remote Sensing

• Satellite imaging often produces false color
  images

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False Color (example)
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Orthophoto Map

• Map drawn on actual aerial/satellite photo

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Geographic Information System (GIS)
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GIS Layers
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GIS Layering
Vectors
Rasters
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What GIS Can Do